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Table 2 Nd isotope ratios of the Sm-doped Nd standard solutions with the Sm/Nd ratio of 0.2

From: Sm-Nd isotopic analysis of mixed standard solutions by multi-collector inductively coupled plasma mass spectrometry: evaluations on isobaric interference correction of Nd isotopic composition and external calibration of Sm/Nd ratio

 

Gravimetric Sm/Nd

143Nd/ 144Nd

2σ S.E.

145Nd/ 144Nd

2σ S.E.

n

100 μg/L Nd

0.2041

0.512195

0.000011

0.348415

0.000005

140

200 μg/L Nd

0.2022

0.512195

0.000022

0.348419

0.000010

20

50 μg/L Nd

0.2036

0.512208

0.000038

0.348420

0.000031

20